.card {
    max-width: 960px;
    margin: auto;
    margin-top: 20px;
}

.card-img-top {
    width: 100%;
    height: auto;
}

.card-body {
    background-color: #f8f9fa;
}

.description {
    white-space: pre-line;
    /* 保留换行符 */
}

.btn-group {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
}

.btn-group button {
    flex: 1;
    margin-right: 5px;
    font-size: 14px;
}

.btn-group a {
    flex: 1;
    margin-left: 5px;
    font-size: 14px;
}